HTC’s purchase of S3 Graphics Co. may not be as fruitful as originally anticipated. HTC made the $300 acquisition in hopes that Apple would have to license graphics technology or risk patent litigation, but the U.S. International Trade Commission declared last week that Apple’s Macs and iPhones did not infringe on two S3 patents. S3 and HTC still have other outstanding patent disputes with Apple.

Onlookers are turning a critical eye on Zynga as the company gears up for its IPO. Reports have surfaced about the hard-nosed culture of the startup, which has grown to 2,200 employees since its inception in January 2007 and produced social gaming blockbusters such as FarmVille and Words with Friends. In the wake of Groupon’s falling share price, others are concerned about the strength of Zynga’s business model, which requires ongoing development and large marketing budgets to stave off the user boredom.

Opposition to the proposed Stop Online Piracy Act continues to grow, with more than one million emails and 87,000 phone calls flooding Congress to date. If passed, SOPA would enable the Department of Justice and private rights holders to block access to sites accused of hosting infringing content.